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<a href="asio__local__stream__socket_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/* Flow-IPC: Core</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * Copyright 2023 Akamai Technologies, Inc.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Licensed under the Apache License, Version 2.0 (the</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * &quot;License&quot;); you may not use this file except in</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * compliance with the License.  You may obtain a copy</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * of the License at</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> *   https://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> *</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * Unless required by applicable law or agreed to in</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * writing, software distributed under the License is</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * See the License for the specific language governing</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * permissions and limitations under the License. */</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"></span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">/// @file</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"></span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="preprocessor">#include &quot;<a class="code" href="detail_2asio__local__stream__socket_8hpp.html">ipc/transport/detail/asio_local_stream_socket.hpp</a>&quot;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="preprocessor">#include &quot;<a class="code" href="process__credentials_8hpp.html">ipc/util/process_credentials.hpp</a>&quot;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="preprocessor">#include &lt;flow/common.hpp&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="preprocessor">#include &lt;stdexcept&gt;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment">// See asio_local_stream_socket_fwd.hpp for doc header (intro) to this namespace.</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html">ipc::transport::asio_local_stream_socket</a></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span>{</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment">// Types.</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="preprocessor">#ifndef FLOW_OS_LINUX</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="keyword">static_assert</span>(<span class="keyword">false</span>, <span class="stringliteral">&quot;Flow-IPC must define Opt_peer_process_credentials w/ Linux SO_PEERCRED semantics.  &quot;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span>                       <span class="stringliteral">&quot;Build in Linux only.&quot;</span>);</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment"></span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment">/**</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment"> * Gettable (read-only) socket option for use with asio_local_stream_socket::Peer_socket `.get_option()` in order to</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment"> * get the connected opposing peer process&#39;s credentials (PID/UID/GID/etc.).  Note accessors and data are</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="comment"> * in non-polymorphic base util::Process_credentials.</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment"> *</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment"> * If one calls `X.get_option(Opt_peer_process_credentials&amp; o)` on #Peer_socket `X`, and `X` is connected to opposing</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment"> * peer socket in process P, then `o.*()` credential accessors (such as `o.process_id()`) shall return values that were</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment"> * accurate about process P, at the time P executed `Peer_socket::connect()` or `local_ns::connect_pair()` yielding</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment"> * the connection to &quot;local&quot; peer `X`.</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment"> *</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment"> * @see boost.asio docs: `GettableSocketOption` in boost.asio docs: implemented concept.</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment"> *</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment"> * @internal</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment"> * This is the Linux `getsockopt()` option with level `AF_LOCAL` (a/k/a `AF_UNIX`), name `SO_PEERCRED`.</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment"> */</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html">   52</a></span><span class="keyword">class </span><a class="code hl_class" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html">Opt_peer_process_credentials</a> :</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>  <span class="keyword">public</span> <a class="code hl_class" href="classipc_1_1util_1_1Process__credentials.html">util::Process_credentials</a></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span>{</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>  <span class="comment">// Constructors/destructor.</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="comment"></span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="comment">  /// Default ctor: each value is initialized to zero or equivalent.</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a09c70548774b3e063500a04d4f72d803">   59</a></span><span class="comment"></span>  <a class="code hl_function" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a09c70548774b3e063500a04d4f72d803">Opt_peer_process_credentials</a>();</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="comment"></span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="comment">   * Boring copy ctor.</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="comment">   * @param src</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment">   *        Source object.</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment">   */</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a2ef81666e906cc497f273c7a1ef908bf">   66</a></span>  <a class="code hl_function" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a2ef81666e906cc497f273c7a1ef908bf">Opt_peer_process_credentials</a>(<span class="keyword">const</span> <a class="code hl_class" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html">Opt_peer_process_credentials</a>&amp; src);</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span> </div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>  <span class="comment">// Methods.</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment"></span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment">   * Boring copy assignment.</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment">   * @param src</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment">   *        Source object.</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="comment">   * @return `*this`.</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment">   */</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a0e8dd6f2ba88ceef69391578a6dcf45c">   76</a></span>  <a class="code hl_class" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html">Opt_peer_process_credentials</a>&amp; <a class="code hl_function" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a0e8dd6f2ba88ceef69391578a6dcf45c">operator=</a>(<span class="keyword">const</span> <a class="code hl_class" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html">Opt_peer_process_credentials</a>&amp; src);</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="comment"></span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment">   * For internal boost.asio use, to enable `Peer_socket::get_option(Opt_peer_process_credentials&amp;)` to work.</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span><span class="comment">   *</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="comment">   * @see boost.asio docs: `GettableSocketOption::level()` in boost.asio docs: implemented concept.</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment">   *</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment">   * @tparam Protocol</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment">   *         See concept API.</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="comment">   * @param proto</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="comment">   *        See concept API.</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="comment">   * @return See concept API.</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="comment">   *</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="comment">   * @internal</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment">   * It&#39;s `AF_LOCAL` a/k/a `AF_UNIX`.</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment">   */</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Protocol&gt;</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>  <span class="keywordtype">int</span> <a class="code hl_function" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a1a924f4e35c39d777be317cd83899ebb">level</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a0ad6afc0bbf995a5b84528f96315f4a2">Protocol</a>&amp; proto) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="comment"></span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="comment">   * For internal boost.asio use, to enable `Peer_socket::get_option(Opt_peer_process_credentials&amp;)` to work.</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment">   *</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment">   * @see boost.asio docs: `GettableSocketOption::name()` in boost.asio docs: implemented concept.</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment">   *</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="comment">   * @tparam Protocol</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="comment">   *         See concept API.</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span><span class="comment">   * @param proto</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span><span class="comment">   *        See concept API.</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span><span class="comment">   * @return See concept API.</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span><span class="comment">   *</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span><span class="comment">   * @internal</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span><span class="comment">   * It&#39;s `SO_PEERCRED`.</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="comment">   */</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Protocol&gt;</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>  <span class="keywordtype">int</span> <a class="code hl_function" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a74f99c14f0266ef157ea8463a10aec00">name</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a0ad6afc0bbf995a5b84528f96315f4a2">Protocol</a>&amp; proto) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="comment"></span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="comment">   * For internal boost.asio use, to enable `Peer_socket::get_option(Opt_peer_process_credentials&amp;)` to work.</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="comment">   *</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="comment">   * @see boost.asio docs: `GettableSocketOption::data()` in boost.asio docs: implemented concept.</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="comment">   *</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="comment">   * @tparam Protocol</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span><span class="comment">   *         See concept API.</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="comment">   * @param proto</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="comment">   *        See concept API.</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="comment">   * @return See concept API.</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="comment">   *</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="comment">   * @internal</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="comment">   * It&#39;s `SO_PEERCRED`.</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span><span class="comment">   */</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Protocol&gt;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>  <span class="keywordtype">void</span>* <a class="code hl_function" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a64ab23b12c2968614bffc9805f1d83bc">data</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a0ad6afc0bbf995a5b84528f96315f4a2">Protocol</a>&amp; proto);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="comment"></span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="comment">   * For internal boost.asio use, to enable `Peer_socket::get_option(Opt_peer_process_credentials&amp;)` to work.</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="comment">   *</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="comment">   * @see boost.asio docs: `GettableSocketOption::size()` in boost.asio docs: implemented concept.</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="comment">   *</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="comment">   * @tparam Protocol</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="comment">   *         See concept API.</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="comment">   * @param proto</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="comment">   *        See concept API.</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment">   * @return See concept API.</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment">   *</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="comment">   * @internal</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="comment">   * It&#39;s `sizeof(ucred)`.</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="comment">   */</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Protocol&gt;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>  <span class="keywordtype">size_t</span> <a class="code hl_function" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a03e9d87913c538017771a7fb41608317">size</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a0ad6afc0bbf995a5b84528f96315f4a2">Protocol</a>&amp; proto) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="comment"></span> </div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="comment">   * For internal boost.asio use, to enable `Peer_socket::get_option(Opt_peer_process_credentials&amp;)` to work.</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="comment">   *</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="comment">   * @see boost.asio docs: `GettableSocketOption::resize()` in boost.asio docs: implemented concept.</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="comment">   *</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="comment">   * @tparam Protocol</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="comment">   *         See concept API.</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span><span class="comment">   * @param proto</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span><span class="comment">   *        See concept API.</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span><span class="comment">   * @param new_size_but_really_must_equal_current</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="comment">   *        See concept API.</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="comment">   *</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="comment">   * @internal</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span><span class="comment">   * Resizing is not allowed for this option, so really it&#39;s either a no-op, or -- if</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="comment">   * `new_size_but_really_must_equal_current != size()` -- throws exception.</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="comment">   */</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Protocol&gt;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>  <span class="keywordtype">void</span> <a class="code hl_function" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#aba66a960ea9efda481692f64cdf22466">resize</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a0ad6afc0bbf995a5b84528f96315f4a2">Protocol</a>&amp; proto, <span class="keywordtype">size_t</span> new_size_but_really_must_equal_current) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>}; <span class="comment">// class Opt_peer_process_credentials</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span> </div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="comment">// Free functions: in *_fwd.hpp.</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span> </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="comment">// Template implementations.</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Task_err&gt;</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"><a class="line" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a68071e53f4a048084f8ad26ff3ac6711">  171</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a68071e53f4a048084f8ad26ff3ac6711">async_write_with_native_handle</a>(flow::log::Logger* logger_ptr,</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>                                    <a class="code hl_typedef" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a1788f9dbd896bb71b3693f9ae25b40ae">Peer_socket</a>* peer_socket_ptr,</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>                                    <a class="code hl_struct" href="structipc_1_1util_1_1Native__handle.html">Native_handle</a> payload_hndl,</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>                                    <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc_1_1util.html#ae0be7edba7e30ffa3f8b742af621f2ab">util::Blob_const</a>&amp; payload_blob,</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>                                    Task_err&amp;&amp; on_sent_or_error)</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>{</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>  <span class="keyword">using </span><a class="code hl_function" href="namespaceipc_1_1util.html#a2bb38cee29dacbe56de5182221b45941">util::blob_data</a>;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>  <span class="keyword">using </span>flow::util::buffers_dump_string;</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span> </div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>  assert(peer_socket_ptr);</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>  assert((!payload_hndl.<a class="code hl_function" href="structipc_1_1util_1_1Native__handle.html#a11bd62ce0a7bef4bdfe666201c26d4dc">null</a>()) &amp;&amp; (payload_blob.size() != 0));</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span> </div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>  <span class="keyword">auto</span>&amp; peer_socket = *peer_socket_ptr;</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span> </div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>  FLOW_LOG_SET_CONTEXT(logger_ptr, Log_component::S_TRANSPORT);</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span> </div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>  FLOW_LOG_TRACE(<span class="stringliteral">&quot;Starting: Via connected local peer socket, will send handle [&quot;</span> &lt;&lt; payload_hndl &lt;&lt; <span class="stringliteral">&quot;] with &quot;</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>                 <span class="stringliteral">&quot;blob of size [&quot;</span> &lt;&lt; payload_blob.size() &lt;&lt; <span class="stringliteral">&quot;] &quot;</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>                 <span class="stringliteral">&quot;located @ [&quot;</span> &lt;&lt; payload_blob.data() &lt;&lt; <span class="stringliteral">&quot;].&quot;</span>);</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span> </div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>  <span class="comment">// Verbose and slow (100% skipped unless log filter passes).</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>  FLOW_LOG_DATA(<span class="stringliteral">&quot;Starting: Blob contents are &quot;</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span>                <span class="stringliteral">&quot;[&quot;</span> &lt;&lt; buffers_dump_string(payload_blob, <span class="stringliteral">&quot;  &quot;</span>) &lt;&lt; <span class="stringliteral">&quot;].&quot;</span>);</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span> </div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>  <span class="comment">/* OK, now our task is to asynchronously send (1) payload_hndl (native handle) and (2) payload_blob (a buffer)</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span><span class="comment">   * over peer_socket (a connected local socket).  As explicitly documented in boost.asio docs: it does not provide an</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span><span class="comment">   * API for the former (fairly hairy and Linux-specific) handle-transmitting feature, but it is doable by using</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span><span class="comment">   * sendmsg() natively via peer_socket.native_handle() which gets the native handle (a/k/a FD).  That can only</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span><span class="comment">   * be called when the socket is actually writable; meaning sendmsg() will return 1+ bytes sent; and if not writable</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span><span class="comment">   * then it&#39;d return EWOULDBLOCK/EAGAIN.  Hence we must in this case use reactor-style pattern which is a fancy way</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span><span class="comment">   * way of saying we must split the typical proactor-style wait-and-write-when-writable operation into 2:</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span><span class="comment">   * first wait; then once ready try to write.  boost.asio will nicely do the first part for us; but once it claims</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span><span class="comment">   * peer_socket is in fact writable, then we step in with the aforementioned native sendmsg() stuff.  So do the</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span><span class="comment">   * wait now (peer_socket.async_wait()).</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span><span class="comment">   *</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><span class="comment">   * Subtlety: In most cases we&#39;d try to put the body of the handler fully right in here; stylistically that&#39;s more</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span><span class="comment">   * compact and arguably readable.  Instead we delegate 99.9% of the code to a helper executed from inside this</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span><span class="comment">   * closure that&#39;d normally have all the code.  Why?  Answer: The handler may need to retry this same wait; so it</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span><span class="comment">   * must specify itself as a handler again.  That wouldn&#39;t work, even if syntactically achievable by saving</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span><span class="comment">   * the handler itself via [capture], because async_wait() immediately returns, hence the present function does</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span><span class="comment">   * too, hence anything on the stack disappears, hence whatever was [captured] would point to nothing.  If one tries</span></div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span><span class="comment">   * to do it, there&#39;s probably purely syntactically going to be a chicken-egg problem.  This could be worked</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span><span class="comment">   * around via the oft-used shared_ptr&lt;&gt; technique... but why go crazy?  It is more straightforward to</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span><span class="comment">   * have a permanent actual (helper) function and just have it refer to itself when it must.  Splitting this</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span><span class="comment">   * function body into the above and a helper is perfectly fine anyway, so let&#39;s not get too clever.</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span><span class="comment">   *</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span><span class="comment">   * Subtlety: I have confirmed that the proper wait type is _write.  _error may sound like it detects error conditions</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span><span class="comment">   * on the socket; but actually that refers to (no thanks to boost.asio docs BTW) obscure</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span><span class="comment">   * stuff like MSG_OOB... nothing relevant.  An actual error like ECONNRESET would stop the _write wait and pass</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span><span class="comment">   * the triggering error code (as desired). */</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span> </div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>  peer_socket.async_wait</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>    (Peer_socket::wait_write,</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>     [logger_ptr, payload_hndl, payload_blob, peer_socket_ptr,</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>      on_sent_or_error = std::move(on_sent_or_error)]</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>       (<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>&amp; sys_err_code) <span class="keyword">mutable</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>  {</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>    <a class="code hl_function" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a677a303f9f81cc5661bd2b34a29309f7">on_wait_writable_or_error</a>(logger_ptr, sys_err_code, payload_hndl, payload_blob, peer_socket_ptr,</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>                              std::move(on_sent_or_error));</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>  });</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>} <span class="comment">// async_write_with_native_handle()</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span> </div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Task_err_blob, <span class="keyword">typename</span> Target_payload_blob_func, <span class="keyword">typename</span> Should_<span class="keywordtype">int</span>errupt_func&gt;</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"><a class="line" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#acf7bdf0c727cbf0c5297125c762e1001">  234</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#acf7bdf0c727cbf0c5297125c762e1001">async_read_with_target_func</a></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>       (flow::log::Logger* logger_ptr, <a class="code hl_typedef" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a1788f9dbd896bb71b3693f9ae25b40ae">Peer_socket</a>* peer_socket,</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>        Target_payload_blob_func&amp;&amp; target_payload_blob_func, Should_interrupt_func&amp;&amp; should_interrupt_func,</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>        Task_err_blob&amp;&amp; on_rcvd_or_error)</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span>{</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span>  <span class="keyword">using </span><a class="code hl_typedef" href="namespaceipc_1_1util.html#a6cb62ae434900f3a8915b33ec5d61a96">util::Blob_mutable</a>;</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span> </div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>  assert(peer_socket);</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span> </div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>  FLOW_LOG_SET_CONTEXT(logger_ptr, Log_component::S_TRANSPORT);</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>  FLOW_LOG_TRACE(<span class="stringliteral">&quot;Starting: Connected local peer socket wants to read 1+ bytes to some currently-unknown location &quot;</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>                 <span class="stringliteral">&quot;TBD when at least some data are available to read.  Will try to receive.&quot;</span>);</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span> </div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>  <span class="comment">/* Without having to support should_interrupt_func feature, we could have done async_wait()-&gt;determine target</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span><span class="comment">   * buffer-&gt;async_read().  We must support it, so we have so split the latter into repeated</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span><span class="comment">   * async_wait()-&gt;read_some(), so we can check should_interrupt_func() ahead of each read_some().</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span><span class="comment">   * Kick it off here. */</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span> </div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>  peer_socket-&gt;async_wait</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>    (Peer_socket::wait_read, [logger_ptr, peer_socket,</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>                              target_payload_blob_func = std::move(target_payload_blob_func),</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>                              on_rcvd_or_error = std::move(on_rcvd_or_error),</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>                              should_interrupt_func = std::move(should_interrupt_func)]</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>                                (<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>&amp; async_err_code) <span class="keyword">mutable</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>  {</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span>    on_wait_readable_or_error&lt;true&gt; <span class="comment">// true =&gt; See just below for meaning.</span></div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>      (logger_ptr, async_err_code, peer_socket, std::move(should_interrupt_func), std::move(on_rcvd_or_error),</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>       std::move(target_payload_blob_func), <span class="comment">// true =&gt; Use this to determine target blob.  false would mean ignore it.</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>       <a class="code hl_typedef" href="namespaceipc_1_1util.html#a6cb62ae434900f3a8915b33ec5d61a96">Blob_mutable</a>(), <span class="comment">// true =&gt; Ignore this.  But it will async-invoke itself with &lt;false&gt; next time.</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span>       0); <span class="comment">// Ditto.</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span>  });</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span>} <span class="comment">// async_read_with_target_func()</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span> </div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Task_err, <span class="keyword">typename</span> Should_<span class="keywordtype">int</span>errupt_func&gt;</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"><a class="line" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#ae811e863245b8226af4c40d373ed9a73">  268</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#ae811e863245b8226af4c40d373ed9a73">async_read_interruptible</a></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>       (flow::log::Logger* logger_ptr, <a class="code hl_typedef" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a1788f9dbd896bb71b3693f9ae25b40ae">Peer_socket</a>* peer_socket, <a class="code hl_typedef" href="namespaceipc_1_1util.html#a6cb62ae434900f3a8915b33ec5d61a96">util::Blob_mutable</a> target_payload_blob,</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>        Should_interrupt_func&amp;&amp; should_interrupt_func, Task_err&amp;&amp; on_rcvd_or_error)</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>{</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>  assert(peer_socket);</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span> </div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>  FLOW_LOG_SET_CONTEXT(logger_ptr, Log_component::S_TRANSPORT);</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>  FLOW_LOG_TRACE(<span class="stringliteral">&quot;Starting: Connected local peer socket wants to read 1+ bytes to already-known location &quot;</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>                 <span class="stringliteral">&quot;TBD when at least some data are available to read.  Will try to receive.&quot;</span>);</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span> </div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>  <span class="keyword">auto</span> on_rcvd_or_error_expected_form_func</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span>    = [on_rcvd_or_error = std::move(on_rcvd_or_error)]</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>        (<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>&amp; err_code, <span class="keyword">auto</span>)</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>  {</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span>    <span class="comment">// Just ignore the blob location (2nd arg).  It&#39;s known from the start anyway.</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>    on_rcvd_or_error(err_code);</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span>  };</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span> </div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span>  peer_socket-&gt;async_wait</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>    (Peer_socket::wait_read, [logger_ptr, peer_socket,</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>                              target_payload_blob,</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>                              on_rcvd_or_error_expected_form_func = std::move(on_rcvd_or_error_expected_form_func),</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>                              should_interrupt_func = std::move(should_interrupt_func)]</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>                                (<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>&amp; async_err_code) <span class="keyword">mutable</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>  {</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>    on_wait_readable_or_error&lt;false&gt; <span class="comment">// false =&gt; See just below for meaning.</span></div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>      (logger_ptr, async_err_code, peer_socket, std::move(should_interrupt_func),</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>       std::move(on_rcvd_or_error_expected_form_func),</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>       0, <span class="comment">// false =&gt; Ignore this.</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>       target_payload_blob, <span class="comment">// false =&gt; Just read into this buffer.</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>       0); <span class="comment">// No bytes read yet.</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>  });</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span>} <span class="comment">// async_read_interruptible()</span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span> </div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span><span class="comment">// Opt_peer_process_credentials template implementations.</span></div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span> </div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Protocol&gt;</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a1a924f4e35c39d777be317cd83899ebb">  305</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a1a924f4e35c39d777be317cd83899ebb">Opt_peer_process_credentials::level</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a0ad6afc0bbf995a5b84528f96315f4a2">Protocol</a>&amp;)<span class="keyword"> const</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>  <span class="keywordflow">return</span> AF_LOCAL;</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>}</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span> </div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Protocol&gt;</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a74f99c14f0266ef157ea8463a10aec00">  311</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a74f99c14f0266ef157ea8463a10aec00">Opt_peer_process_credentials::name</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a0ad6afc0bbf995a5b84528f96315f4a2">Protocol</a>&amp;)<span class="keyword"> const</span></div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span>  <span class="keywordflow">return</span> SO_PEERCRED;</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span>}</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span> </div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Protocol&gt;</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a64ab23b12c2968614bffc9805f1d83bc">  317</a></span><span class="keywordtype">void</span>* <a class="code hl_function" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a64ab23b12c2968614bffc9805f1d83bc">Opt_peer_process_credentials::data</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a0ad6afc0bbf995a5b84528f96315f4a2">Protocol</a>&amp;)</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>{</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">void</span>*<span class="keyword">&gt;</span>(<span class="keyword">static_cast&lt;</span><a class="code hl_class" href="classipc_1_1util_1_1Process__credentials.html">util::Process_credentials</a>*<span class="keyword">&gt;</span>(<span class="keyword">this</span>));</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>}</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span> </div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Protocol&gt;</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a03e9d87913c538017771a7fb41608317">  323</a></span><span class="keywordtype">size_t</span> <a class="code hl_function" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a03e9d87913c538017771a7fb41608317">Opt_peer_process_credentials::size</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a0ad6afc0bbf995a5b84528f96315f4a2">Protocol</a>&amp;)<span class="keyword"> const</span></div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>  <span class="keywordflow">return</span> <span class="keyword">sizeof</span>(<a class="code hl_class" href="classipc_1_1util_1_1Process__credentials.html">util::Process_credentials</a>);</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>}</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span> </div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Protocol&gt;</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#aba66a960ea9efda481692f64cdf22466">  329</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#aba66a960ea9efda481692f64cdf22466">Opt_peer_process_credentials::resize</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a0ad6afc0bbf995a5b84528f96315f4a2">Protocol</a>&amp; proto, <span class="keywordtype">size_t</span> new_size_but_really_must_equal_current)<span class="keyword"> const</span></div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>  <span class="keyword">using </span>flow::util::ostream_op_string;</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>  <span class="keyword">using </span>std::length_error;</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span> </div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span>  <span class="keywordflow">if</span> (new_size_but_really_must_equal_current != <a class="code hl_function" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a03e9d87913c538017771a7fb41608317">size</a>(proto))</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span>  {</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span>    <span class="keywordflow">throw</span> length_error(ostream_op_string</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span>                         (<span class="stringliteral">&quot;Opt_peer_process_credentials does not actually support resizing; requested size [&quot;</span>,</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>                          new_size_but_really_must_equal_current, <span class="stringliteral">&quot;] differs from forever-size [&quot;</span>,</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span>                          <a class="code hl_function" href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a03e9d87913c538017771a7fb41608317">size</a>(proto), <span class="stringliteral">&quot;].  boost.asio internal bug or misuse?&quot;</span>));</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>  }</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>}</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span> </div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>} <span class="comment">// namespace ipc::transport::asio_local_stream_socket</span></div>
<div class="ttc" id="aclassipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials_html"><div class="ttname"><a href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html">ipc::transport::asio_local_stream_socket::Opt_peer_process_credentials</a></div><div class="ttdoc">Gettable (read-only) socket option for use with asio_local_stream_socket::Peer_socket ....</div><div class="ttdef"><b>Definition:</b> <a href="asio__local__stream__socket_8hpp_source.html#l00052">asio_local_stream_socket.hpp:54</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials_html_a03e9d87913c538017771a7fb41608317"><div class="ttname"><a href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a03e9d87913c538017771a7fb41608317">ipc::transport::asio_local_stream_socket::Opt_peer_process_credentials::size</a></div><div class="ttdeci">size_t size(const Protocol &amp;proto) const</div><div class="ttdoc">For internal boost.asio use, to enable Peer_socket::get_option(Opt_peer_process_credentials&amp;) to work...</div><div class="ttdef"><b>Definition:</b> <a href="asio__local__stream__socket_8hpp_source.html#l00323">asio_local_stream_socket.hpp:323</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials_html_a09c70548774b3e063500a04d4f72d803"><div class="ttname"><a href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a09c70548774b3e063500a04d4f72d803">ipc::transport::asio_local_stream_socket::Opt_peer_process_credentials::Opt_peer_process_credentials</a></div><div class="ttdeci">Opt_peer_process_credentials()</div><div class="ttdoc">Default ctor: each value is initialized to zero or equivalent.</div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials_html_a0e8dd6f2ba88ceef69391578a6dcf45c"><div class="ttname"><a href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a0e8dd6f2ba88ceef69391578a6dcf45c">ipc::transport::asio_local_stream_socket::Opt_peer_process_credentials::operator=</a></div><div class="ttdeci">Opt_peer_process_credentials &amp; operator=(const Opt_peer_process_credentials &amp;src)</div><div class="ttdoc">Boring copy assignment.</div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials_html_a1a924f4e35c39d777be317cd83899ebb"><div class="ttname"><a href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a1a924f4e35c39d777be317cd83899ebb">ipc::transport::asio_local_stream_socket::Opt_peer_process_credentials::level</a></div><div class="ttdeci">int level(const Protocol &amp;proto) const</div><div class="ttdoc">For internal boost.asio use, to enable Peer_socket::get_option(Opt_peer_process_credentials&amp;) to work...</div><div class="ttdef"><b>Definition:</b> <a href="asio__local__stream__socket_8hpp_source.html#l00305">asio_local_stream_socket.hpp:305</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials_html_a2ef81666e906cc497f273c7a1ef908bf"><div class="ttname"><a href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a2ef81666e906cc497f273c7a1ef908bf">ipc::transport::asio_local_stream_socket::Opt_peer_process_credentials::Opt_peer_process_credentials</a></div><div class="ttdeci">Opt_peer_process_credentials(const Opt_peer_process_credentials &amp;src)</div><div class="ttdoc">Boring copy ctor.</div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials_html_a64ab23b12c2968614bffc9805f1d83bc"><div class="ttname"><a href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a64ab23b12c2968614bffc9805f1d83bc">ipc::transport::asio_local_stream_socket::Opt_peer_process_credentials::data</a></div><div class="ttdeci">void * data(const Protocol &amp;proto)</div><div class="ttdoc">For internal boost.asio use, to enable Peer_socket::get_option(Opt_peer_process_credentials&amp;) to work...</div><div class="ttdef"><b>Definition:</b> <a href="asio__local__stream__socket_8hpp_source.html#l00317">asio_local_stream_socket.hpp:317</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials_html_a74f99c14f0266ef157ea8463a10aec00"><div class="ttname"><a href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#a74f99c14f0266ef157ea8463a10aec00">ipc::transport::asio_local_stream_socket::Opt_peer_process_credentials::name</a></div><div class="ttdeci">int name(const Protocol &amp;proto) const</div><div class="ttdoc">For internal boost.asio use, to enable Peer_socket::get_option(Opt_peer_process_credentials&amp;) to work...</div><div class="ttdef"><b>Definition:</b> <a href="asio__local__stream__socket_8hpp_source.html#l00311">asio_local_stream_socket.hpp:311</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials_html_aba66a960ea9efda481692f64cdf22466"><div class="ttname"><a href="classipc_1_1transport_1_1asio__local__stream__socket_1_1Opt__peer__process__credentials.html#aba66a960ea9efda481692f64cdf22466">ipc::transport::asio_local_stream_socket::Opt_peer_process_credentials::resize</a></div><div class="ttdeci">void resize(const Protocol &amp;proto, size_t new_size_but_really_must_equal_current) const</div><div class="ttdoc">For internal boost.asio use, to enable Peer_socket::get_option(Opt_peer_process_credentials&amp;) to work...</div><div class="ttdef"><b>Definition:</b> <a href="asio__local__stream__socket_8hpp_source.html#l00329">asio_local_stream_socket.hpp:329</a></div></div>
<div class="ttc" id="aclassipc_1_1util_1_1Process__credentials_html"><div class="ttname"><a href="classipc_1_1util_1_1Process__credentials.html">ipc::util::Process_credentials</a></div><div class="ttdoc">A process's credentials (PID, UID, GID as of this writing).</div><div class="ttdef"><b>Definition:</b> <a href="process__credentials_8hpp_source.html#l00038">process_credentials.hpp:39</a></div></div>
<div class="ttc" id="adetail_2asio__local__stream__socket_8hpp_html"><div class="ttname"><a href="detail_2asio__local__stream__socket_8hpp.html">asio_local_stream_socket.hpp</a></div></div>
<div class="ttc" id="anamespaceipc_1_1transport_1_1asio__local__stream__socket_html"><div class="ttname"><a href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html">ipc::transport::asio_local_stream_socket</a></div><div class="ttdoc">Additional (versus boost.asio) APIs for advanced work with local stream (Unix domain) sockets includi...</div><div class="ttdef"><b>Definition:</b> <a href="asio__local__stream__socket_8cpp_source.html#l00031">asio_local_stream_socket.cpp:32</a></div></div>
<div class="ttc" id="anamespaceipc_1_1transport_1_1asio__local__stream__socket_html_a0ad6afc0bbf995a5b84528f96315f4a2"><div class="ttname"><a href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a0ad6afc0bbf995a5b84528f96315f4a2">ipc::transport::asio_local_stream_socket::Protocol</a></div><div class="ttdeci">local_ns::stream_protocol Protocol</div><div class="ttdoc">Short-hand for boost.asio Unix domain stream-socket protocol.</div><div class="ttdef"><b>Definition:</b> <a href="asio__local__stream__socket__fwd_8hpp_source.html#l00108">asio_local_stream_socket_fwd.hpp:108</a></div></div>
<div class="ttc" id="anamespaceipc_1_1transport_1_1asio__local__stream__socket_html_a1788f9dbd896bb71b3693f9ae25b40ae"><div class="ttname"><a href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a1788f9dbd896bb71b3693f9ae25b40ae">ipc::transport::asio_local_stream_socket::Peer_socket</a></div><div class="ttdeci">Protocol::socket Peer_socket</div><div class="ttdoc">Short-hand for boost.asio Unix domain peer stream-socket (usually-connected-or-empty guy).</div><div class="ttdef"><b>Definition:</b> <a href="asio__local__stream__socket__fwd_8hpp_source.html#l00114">asio_local_stream_socket_fwd.hpp:114</a></div></div>
<div class="ttc" id="anamespaceipc_1_1transport_1_1asio__local__stream__socket_html_a677a303f9f81cc5661bd2b34a29309f7"><div class="ttname"><a href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a677a303f9f81cc5661bd2b34a29309f7">ipc::transport::asio_local_stream_socket::on_wait_writable_or_error</a></div><div class="ttdeci">void on_wait_writable_or_error(flow::log::Logger *logger_ptr, const Error_code &amp;sys_err_code, Native_handle payload_hndl, const util::Blob_const &amp;payload_blob_ref, Peer_socket *peer_socket_ptr, Task_err &amp;&amp;on_sent_or_error)</div><div class="ttdoc">Helper of async_write_with_native_handle() used as the callback executed when waiting for writability...</div><div class="ttdef"><b>Definition:</b> <a href="detail_2asio__local__stream__socket_8hpp_source.html#l00031">asio_local_stream_socket.hpp:31</a></div></div>
<div class="ttc" id="anamespaceipc_1_1transport_1_1asio__local__stream__socket_html_a68071e53f4a048084f8ad26ff3ac6711"><div class="ttname"><a href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#a68071e53f4a048084f8ad26ff3ac6711">ipc::transport::asio_local_stream_socket::async_write_with_native_handle</a></div><div class="ttdeci">void async_write_with_native_handle(flow::log::Logger *logger_ptr, Peer_socket *peer_socket_ptr, Native_handle payload_hndl, const util::Blob_const &amp;payload_blob, Task_err &amp;&amp;on_sent_or_error)</div><div class="ttdoc">boost.asio extension similar to boost::asio::async_write(Peer_socket&amp;, Blob_const,...</div><div class="ttdef"><b>Definition:</b> <a href="asio__local__stream__socket_8hpp_source.html#l00171">asio_local_stream_socket.hpp:171</a></div></div>
<div class="ttc" id="anamespaceipc_1_1transport_1_1asio__local__stream__socket_html_acf7bdf0c727cbf0c5297125c762e1001"><div class="ttname"><a href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#acf7bdf0c727cbf0c5297125c762e1001">ipc::transport::asio_local_stream_socket::async_read_with_target_func</a></div><div class="ttdeci">void async_read_with_target_func(flow::log::Logger *logger_ptr, Peer_socket *peer_socket, Target_payload_blob_func &amp;&amp;target_payload_blob_func, Should_interrupt_func &amp;&amp;should_interrupt_func, Task_err_blob &amp;&amp;on_rcvd_or_error)</div><div class="ttdoc">boost.asio extension similar to boost::asio::async_read(Peer_socket&amp;, Blob_mutable,...</div><div class="ttdef"><b>Definition:</b> <a href="asio__local__stream__socket_8hpp_source.html#l00234">asio_local_stream_socket.hpp:235</a></div></div>
<div class="ttc" id="anamespaceipc_1_1transport_1_1asio__local__stream__socket_html_ae811e863245b8226af4c40d373ed9a73"><div class="ttname"><a href="namespaceipc_1_1transport_1_1asio__local__stream__socket.html#ae811e863245b8226af4c40d373ed9a73">ipc::transport::asio_local_stream_socket::async_read_interruptible</a></div><div class="ttdeci">void async_read_interruptible(flow::log::Logger *logger_ptr, Peer_socket *peer_socket, util::Blob_mutable target_payload_blob, Should_interrupt_func &amp;&amp;should_interrupt_func, Task_err &amp;&amp;on_rcvd_or_error)</div><div class="ttdoc">boost.asio extension similar to boost::asio::async_read(Peer_socket&amp;, Blob_mutable,...</div><div class="ttdef"><b>Definition:</b> <a href="asio__local__stream__socket_8hpp_source.html#l00268">asio_local_stream_socket.hpp:269</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_a2bb38cee29dacbe56de5182221b45941"><div class="ttname"><a href="namespaceipc_1_1util.html#a2bb38cee29dacbe56de5182221b45941">ipc::util::blob_data</a></div><div class="ttdeci">const uint8_t * blob_data(const Blob_const &amp;blob)</div><div class="ttdoc">Syntactic-sugary helper that returns pointer to first byte in an immutable buffer,...</div><div class="ttdef"><b>Definition:</b> <a href="ipc__core_2src_2ipc_2util_2util_8cpp_source.html#l00158">util.cpp:158</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_a6cb62ae434900f3a8915b33ec5d61a96"><div class="ttname"><a href="namespaceipc_1_1util.html#a6cb62ae434900f3a8915b33ec5d61a96">ipc::util::Blob_mutable</a></div><div class="ttdeci">boost::asio::mutable_buffer Blob_mutable</div><div class="ttdoc">Short-hand for an mutable blob somewhere in memory, stored as exactly a void* and a size_t.</div><div class="ttdef"><b>Definition:</b> <a href="util__fwd_8hpp_source.html#l00140">util_fwd.hpp:140</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_ae0be7edba7e30ffa3f8b742af621f2ab"><div class="ttname"><a href="namespaceipc_1_1util.html#ae0be7edba7e30ffa3f8b742af621f2ab">ipc::util::Blob_const</a></div><div class="ttdeci">boost::asio::const_buffer Blob_const</div><div class="ttdoc">Short-hand for an immutable blob somewhere in memory, stored as exactly a void const * and a size_t.</div><div class="ttdef"><b>Definition:</b> <a href="util__fwd_8hpp_source.html#l00134">util_fwd.hpp:134</a></div></div>
<div class="ttc" id="anamespaceipc_html_aa3192e586cc45d3e7c22463bf2760f89"><div class="ttname"><a href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">ipc::Error_code</a></div><div class="ttdeci">flow::Error_code Error_code</div><div class="ttdoc">Short-hand for flow::Error_code which is very common.</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00298">common.hpp:298</a></div></div>
<div class="ttc" id="aprocess__credentials_8hpp_html"><div class="ttname"><a href="process__credentials_8hpp.html">process_credentials.hpp</a></div></div>
<div class="ttc" id="astructipc_1_1util_1_1Native__handle_html"><div class="ttname"><a href="structipc_1_1util_1_1Native__handle.html">ipc::util::Native_handle</a></div><div class="ttdoc">A monolayer-thin wrapper around a native handle, a/k/a descriptor a/k/a FD.</div><div class="ttdef"><b>Definition:</b> <a href="native__handle_8hpp_source.html#l00062">native_handle.hpp:63</a></div></div>
<div class="ttc" id="astructipc_1_1util_1_1Native__handle_html_a11bd62ce0a7bef4bdfe666201c26d4dc"><div class="ttname"><a href="structipc_1_1util_1_1Native__handle.html#a11bd62ce0a7bef4bdfe666201c26d4dc">ipc::util::Native_handle::null</a></div><div class="ttdeci">bool null() const</div><div class="ttdoc">Returns true if and only if m_native_handle equals S_NULL_HANDLE.</div><div class="ttdef"><b>Definition:</b> <a href="native__handle_8cpp_source.html#l00061">native_handle.cpp:61</a></div></div>
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